38906370 has 96 divisors (see below), whose sum is σ = 109175040. Its totient is φ = 9576960.

The previous prime is 38906341. The next prime is 38906381. The reversal of 38906370 is 7360983.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90055 + ... + 90485.

It is an arithmetic number, because the mean of its divisors is an integer number (1137240).

Almost surely, 2^38906370 is an apocalyptic number.

38906370 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38906370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54587520).

38906370 is an abundant number, since it is smaller than the sum of its proper divisors (70268670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38906370 is a wasteful number, since it uses less digits than its factorization.

38906370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 38906370 is about 6237.4970941877. The cubic root of 38906370 is about 338.8495429650.

The spelling of 38906370 in words is "thirty-eight million, nine hundred six thousand, three hundred seventy".